GB2057805B - Piezo-electric coupling devices - Google Patents

Piezo-electric coupling devices

Info

Publication number
GB2057805B
GB2057805B GB8025833A GB8025833A GB2057805B GB 2057805 B GB2057805 B GB 2057805B GB 8025833 A GB8025833 A GB 8025833A GB 8025833 A GB8025833 A GB 8025833A GB 2057805 B GB2057805 B GB 2057805B
Authority
GB
United Kingdom
Prior art keywords
piezo
coupling devices
electric coupling
electric
devices
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB8025833A
Other versions
GB2057805A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Priority to GB8025833A priority Critical patent/GB2057805B/en
Publication of GB2057805A publication Critical patent/GB2057805A/en
Priority to DE19813123104 priority patent/DE3123104A1/en
Application granted granted Critical
Publication of GB2057805B publication Critical patent/GB2057805B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
    • H03K17/72—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices having more than two PN junctions; having more than three electrodes; having more than one electrode connected to the same conductivity region
    • H03K17/722—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices having more than two PN junctions; having more than three electrodes; having more than one electrode connected to the same conductivity region with galvanic isolation between the control circuit and the output circuit
    • H03K17/7225—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices having more than two PN junctions; having more than three electrodes; having more than one electrode connected to the same conductivity region with galvanic isolation between the control circuit and the output circuit using acoustic means
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00—Piezoelectric or electrostrictive devices
    • H10N30/40—Piezoelectric or electrostrictive devices with electrical input and electrical output, e.g. functioning as transformers
GB8025833A 1979-08-07 1980-09-07 Piezo-electric coupling devices Expired GB2057805B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB8025833A GB2057805B (en) 1979-08-07 1980-09-07 Piezo-electric coupling devices
DE19813123104 DE3123104A1 (en) 1980-09-07 1981-06-11 Relay arrangement

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB7927420 1979-08-07
GB8025833A GB2057805B (en) 1979-08-07 1980-09-07 Piezo-electric coupling devices

Publications (2)

Publication Number Publication Date
GB2057805A GB2057805A (en) 1981-04-01
GB2057805B true GB2057805B (en) 1983-11-02

Family

ID=10515309

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8025833A Expired GB2057805B (en) 1979-08-07 1980-09-07 Piezo-electric coupling devices

Country Status (2)

Country Link
DE (1) DE3123104A1 (en)
GB (1) GB2057805B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH658960A5 (en) * 1982-11-30 1986-12-15 Landis & Gyr Ag TRANSFORMERLESS POWER SUPPLY CIRCUIT.
US4584499A (en) * 1985-04-12 1986-04-22 General Electric Company Autoresonant piezoelectric transformer signal coupler
US5041754A (en) * 1990-05-09 1991-08-20 Piezo Technology Inc. Crystal resonator with acceleration sensitivity adjustable by external circuit means
US5504384A (en) * 1993-06-23 1996-04-02 Industrial Technology Research Institute Multi-mode adjustable piezoelectric transformer
JPH0767200A (en) * 1993-08-04 1995-03-10 Motorola Inc Method for acoustic insulation
DE19737472A1 (en) * 1997-08-28 1999-03-04 Philips Patentverwaltung Circuit arrangement with a piezoelectric transformer
DE102004036704A1 (en) * 2004-05-26 2005-12-22 Epcos Ag Ceramic piezoelectric transformer has outer electrode contacting the iner electrode layer in the region of a side edge of the body
DE102006032392B4 (en) * 2006-06-14 2011-11-24 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Method for galvanically separated information and energy transmission between two electronic circuit units
DE102008023517B4 (en) 2008-05-15 2018-04-05 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Field effect transistor with piezoelectric charge generator

Also Published As

Publication number Publication date
GB2057805A (en) 1981-04-01
DE3123104A1 (en) 1982-05-13

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee